The circuit schematic for my PAL RGB -> S-Video converter is
below. You probably want to look at the
notes about it too. If you want to print it out then grab the
PostScript version or the
gschem version.

All Vcc connections are +5v

Component

Type

C12, C13

33pF

C14, C17, C18, C19, C20, C33, C34, C35

100nF

C15, C21, C27

10nF

C16

10pF

C22, C28

47uF Electrolytic

C23

100nF Electrolytic

C24

10uF Electrolytic

C25, C26, C29, C30, C31, C32

220uF Electrolytic

R1

4.7M

R2, R3, R4, R10

1K Pot

R5

47K

R6

16K 1%

R7, R8, R9, R36, R37, R38

75 Ohm

R11

680K

U1

CXA1645P Video Encoder

U2

LM1881N Video Sync Separator

U3

74HCT04 Hex Inverter

XTL1

4.433619MHz Parallel-Cut Crystal

The CXA1645P seems to be reasonably difficult to get hold of according to the emails I get
about this circuit. I got it from
RS Components.

Corrections

The component list originally specified R15 and R16 as 1K Pots - R15 and R16 don't actually exist so no idea what happened there [5 Oct 2003]

The component list originally specified R6 as 1K 1% - this should have been 16K 1% [11 Oct 2003]